///////////////////////////////////////////
//
// WALLY-MMU
//
// Author: Kip Macsai-Goren <kmacsaigoren@g.hmc.edu>
//
// Created 2022-02-18
//
// Copyright (C) 2021 Harvey Mudd College & Oklahoma State University
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
// modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
// BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
// OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
///////////////////////////////////////////

#include "WALLY-TEST-LIB-32.h"

RVTEST_ISA("RV32I_Zicsr")
RVTEST_CASE(0,"//check ISA:=regex(.*32.*);check ISA:=regex(.*I.*); def Drvtest_mtrap_routine=True;def TEST_CASE_1=True;",misa)

INIT_TESTS

TRAP_HANDLER m
// Test 5.3.2.2: Machine ISA register test

// Misa is a specific case *** so I don't want to add a whole test case for reading nonzero but unknown value CSRs.
csrr x30, misa // should not cause a fault in machine mode. *** not writing to output because MISA is different for different configs.
li x7, 0x111 // success value for read of nonzero misa 
bnez x30, misa_nonzero
li x7, 0xbad // misa was zero, store bad value

misa_nonzero:
sw x7, 0(x6)
addi x6, x6, 4
addi x16, x16, 4

END_TESTS

TEST_STACK_AND_DATA
